/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-commit-2.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-03 17:19:08,961 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-03 17:19:08,990 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-03 17:19:09,015 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-03 17:19:09,015 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-03 17:19:09,016 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-03 17:19:09,017 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-03 17:19:09,018 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-03 17:19:09,019 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-03 17:19:09,020 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-03 17:19:09,020 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-03 17:19:09,021 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-03 17:19:09,021 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-03 17:19:09,022 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-03 17:19:09,022 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-03 17:19:09,023 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-03 17:19:09,023 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-03 17:19:09,024 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-03 17:19:09,025 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-03 17:19:09,026 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-03 17:19:09,027 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-03 17:19:09,028 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-03 17:19:09,028 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-03 17:19:09,029 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-03 17:19:09,031 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-03 17:19:09,031 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-03 17:19:09,031 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-03 17:19:09,032 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-03 17:19:09,032 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-03 17:19:09,032 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-03-03 17:19:09,032 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-03 17:19:09,033 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-03 17:19:09,033 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-03 17:19:09,034 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-03 17:19:09,034 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-03 17:19:09,034 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-03 17:19:09,035 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-03 17:19:09,035 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-03 17:19:09,035 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-03 17:19:09,036 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-03 17:19:09,036 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-03 17:19:09,037 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2022-03-03 17:19:09,054 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-03 17:19:09,054 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-03 17:19:09,054 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-03 17:19:09,054 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-03 17:19:09,055 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-03 17:19:09,055 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-03 17:19:09,055 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-03 17:19:09,056 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-03 17:19:09,056 INFO L138 SettingsManager]: * Use SBE=true [2022-03-03 17:19:09,056 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-03 17:19:09,056 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-03 17:19:09,056 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-03 17:19:09,056 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-03 17:19:09,056 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-03 17:19:09,056 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-03 17:19:09,056 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-03 17:19:09,056 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-03 17:19:09,056 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-03 17:19:09,056 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-03 17:19:09,057 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-03 17:19:09,057 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-03 17:19:09,057 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-03 17:19:09,057 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-03 17:19:09,057 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-03 17:19:09,057 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-03 17:19:09,057 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-03 17:19:09,057 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-03 17:19:09,057 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-03 17:19:09,057 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-03 17:19:09,057 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-03 17:19:09,058 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-03 17:19:09,058 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-03 17:19:09,058 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-03 17:19:09,058 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-03 17:19:09,239 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-03 17:19:09,253 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-03 17:19:09,255 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-03 17:19:09,256 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-03 17:19:09,256 INFO L275 PluginConnector]: CDTParser initialized [2022-03-03 17:19:09,257 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-commit-2.wvr.c [2022-03-03 17:19:09,308 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5367e2128/ac1fafcfee9348ce8fd581dbbc1356d1/FLAG3c55c879f [2022-03-03 17:19:09,672 INFO L306 CDTParser]: Found 1 translation units. [2022-03-03 17:19:09,673 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-commit-2.wvr.c [2022-03-03 17:19:09,678 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5367e2128/ac1fafcfee9348ce8fd581dbbc1356d1/FLAG3c55c879f [2022-03-03 17:19:09,694 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5367e2128/ac1fafcfee9348ce8fd581dbbc1356d1 [2022-03-03 17:19:09,695 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-03 17:19:09,696 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-03 17:19:09,697 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-03 17:19:09,697 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-03 17:19:09,699 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-03 17:19:09,700 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 05:19:09" (1/1) ... [2022-03-03 17:19:09,701 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@648784be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:19:09, skipping insertion in model container [2022-03-03 17:19:09,701 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.03 05:19:09" (1/1) ... [2022-03-03 17:19:09,705 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-03 17:19:09,726 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-03 17:19:09,879 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-commit-2.wvr.c[5846,5859] [2022-03-03 17:19:09,884 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-03 17:19:09,890 INFO L203 MainTranslator]: Completed pre-run [2022-03-03 17:19:09,913 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-commit-2.wvr.c[5846,5859] [2022-03-03 17:19:09,915 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-03 17:19:09,925 INFO L208 MainTranslator]: Completed translation [2022-03-03 17:19:09,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:19:09 WrapperNode [2022-03-03 17:19:09,925 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-03 17:19:09,926 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-03 17:19:09,926 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-03 17:19:09,926 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-03 17:19:09,935 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:19:09" (1/1) ... [2022-03-03 17:19:09,942 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:19:09" (1/1) ... [2022-03-03 17:19:09,981 INFO L137 Inliner]: procedures = 26, calls = 93, calls flagged for inlining = 27, calls inlined = 33, statements flattened = 456 [2022-03-03 17:19:09,981 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-03 17:19:09,982 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-03 17:19:09,982 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-03 17:19:09,982 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-03 17:19:09,987 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:19:09" (1/1) ... [2022-03-03 17:19:09,988 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:19:09" (1/1) ... [2022-03-03 17:19:09,992 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:19:09" (1/1) ... [2022-03-03 17:19:09,992 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:19:09" (1/1) ... [2022-03-03 17:19:10,001 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:19:09" (1/1) ... [2022-03-03 17:19:10,006 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:19:09" (1/1) ... [2022-03-03 17:19:10,008 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:19:09" (1/1) ... [2022-03-03 17:19:10,011 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-03 17:19:10,012 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-03 17:19:10,013 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-03 17:19:10,013 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-03 17:19:10,023 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:19:09" (1/1) ... [2022-03-03 17:19:10,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-03 17:19:10,048 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-03 17:19:10,062 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-03 17:19:10,063 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-03 17:19:10,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-03-03 17:19:10,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-03 17:19:10,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-03 17:19:10,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-03 17:19:10,094 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-03-03 17:19:10,094 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-03-03 17:19:10,094 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-03-03 17:19:10,095 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-03-03 17:19:10,095 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-03-03 17:19:10,095 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-03-03 17:19:10,095 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-03-03 17:19:10,095 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-03-03 17:19:10,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-03-03 17:19:10,095 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-03-03 17:19:10,095 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-03-03 17:19:10,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-03-03 17:19:10,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-03 17:19:10,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-03 17:19:10,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-03 17:19:10,097 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-03 17:19:10,197 INFO L234 CfgBuilder]: Building ICFG [2022-03-03 17:19:10,198 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-03 17:19:10,650 INFO L275 CfgBuilder]: Performing block encoding [2022-03-03 17:19:10,856 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-03 17:19:10,856 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2022-03-03 17:19:10,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.03 05:19:10 BoogieIcfgContainer [2022-03-03 17:19:10,859 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-03 17:19:10,862 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-03 17:19:10,862 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-03 17:19:10,864 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-03 17:19:10,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.03 05:19:09" (1/3) ... [2022-03-03 17:19:10,865 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ba0ea4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 05:19:10, skipping insertion in model container [2022-03-03 17:19:10,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.03 05:19:09" (2/3) ... [2022-03-03 17:19:10,866 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ba0ea4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.03 05:19:10, skipping insertion in model container [2022-03-03 17:19:10,866 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.03 05:19:10" (3/3) ... [2022-03-03 17:19:10,867 INFO L111 eAbstractionObserver]: Analyzing ICFG popl20-commit-2.wvr.c [2022-03-03 17:19:10,872 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-03 17:19:10,872 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-03 17:19:10,872 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-03 17:19:10,872 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-03 17:19:10,954 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,955 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,955 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,955 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,955 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,955 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,956 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,956 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,956 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,956 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,956 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,956 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,956 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,957 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,957 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,957 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,957 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,957 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,958 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,958 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,959 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,959 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,959 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,959 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,960 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,960 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,960 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,960 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,960 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,960 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,960 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,961 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,961 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,961 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,961 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,961 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,961 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,961 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,961 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,962 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,962 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,962 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,962 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,962 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,963 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,963 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,963 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,963 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,964 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,964 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,964 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,964 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,965 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,965 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,965 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,966 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,966 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,966 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,966 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,966 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,967 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,967 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,967 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,967 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,967 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,968 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,968 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,968 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,968 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,968 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,968 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,968 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,969 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,969 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,969 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,969 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,969 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,970 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,970 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,970 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,970 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,971 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,971 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,971 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,972 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,974 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,978 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,978 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,978 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,979 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,979 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,979 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,980 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,980 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,980 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,980 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,980 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,980 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,981 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,981 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,981 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,981 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,981 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,981 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,981 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,982 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,982 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,982 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,983 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,983 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,983 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,983 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,983 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,983 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,983 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,983 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,984 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,984 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,984 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,984 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short25#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,984 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,984 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,985 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,985 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,985 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,985 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short25#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,985 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,985 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,987 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,987 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,987 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,987 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,988 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,988 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,988 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,988 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,988 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~nondet29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,988 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~nondet29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,989 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~nondet29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,989 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~nondet29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,989 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,989 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,990 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,990 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,990 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~nondet29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,990 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~nondet29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,990 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~nondet29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,990 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~nondet29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,990 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,990 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,991 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~mem30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,991 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,992 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,992 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,992 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~mem30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,992 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,992 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,992 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,992 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,992 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,992 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~short33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,992 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,993 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,993 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,993 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,993 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,993 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~short33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,993 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,998 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,998 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~short19#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,998 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,998 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem21#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,998 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,998 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet17#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,998 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,999 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post22#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,999 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post20#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:10,999 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem18#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:11,000 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~nondet23#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:11,000 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:11,000 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post26#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:11,000 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:11,000 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:11,001 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:11,001 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~short25#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:11,001 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~post28#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:11,001 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem24#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:11,001 WARN L322 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork1_#t~mem27#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:11,001 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem9#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:11,002 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem12#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:11,002 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:11,002 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post11#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:11,002 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem15#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:11,002 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:11,002 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short10#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:11,002 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short13#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:11,002 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:11,002 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:11,002 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:11,002 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:11,003 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~mem7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:11,003 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:11,003 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:11,003 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post16#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:11,003 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~short3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:11,003 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#t~post14#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:11,003 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:11,003 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork2_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:11,004 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:11,004 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:11,004 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~mem30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:11,005 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:11,007 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~mem32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:11,007 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:11,008 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~nondet29#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:11,008 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~post31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:11,008 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#t~short33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:11,008 WARN L322 ript$VariableManager]: TermVariabe |thread4Thread1of1ForFork3_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-03-03 17:19:11,013 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-03-03 17:19:11,058 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-03 17:19:11,064 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mLazyFiniteAutomaton=false, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-03 17:19:11,065 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-03-03 17:19:11,081 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 316 places, 328 transitions, 688 flow [2022-03-03 17:19:12,452 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 31808 states, 31807 states have (on average 4.954947024239948) internal successors, (157602), 31807 states have internal predecessors, (157602), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:19:12,530 INFO L276 IsEmpty]: Start isEmpty. Operand has 31808 states, 31807 states have (on average 4.954947024239948) internal successors, (157602), 31807 states have internal predecessors, (157602), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:19:12,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2022-03-03 17:19:12,771 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:19:12,772 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 17:19:12,773 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-03 17:19:12,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:19:12,777 INFO L85 PathProgramCache]: Analyzing trace with hash -1144100615, now seen corresponding path program 1 times [2022-03-03 17:19:12,785 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:19:12,786 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657649543] [2022-03-03 17:19:12,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:19:12,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:19:12,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:19:13,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 17:19:13,122 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:19:13,122 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657649543] [2022-03-03 17:19:13,123 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [657649543] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:19:13,123 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:19:13,123 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-03-03 17:19:13,124 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890288400] [2022-03-03 17:19:13,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:19:13,129 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-03-03 17:19:13,129 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:19:13,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-03-03 17:19:13,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-03-03 17:19:13,221 INFO L87 Difference]: Start difference. First operand has 31808 states, 31807 states have (on average 4.954947024239948) internal successors, (157602), 31807 states have internal predecessors, (157602), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 116.5) internal successors, (233), 2 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:19:13,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:19:13,807 INFO L93 Difference]: Finished difference Result 31808 states and 144036 transitions. [2022-03-03 17:19:13,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-03 17:19:13,809 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 116.5) internal successors, (233), 2 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 233 [2022-03-03 17:19:13,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:19:14,344 INFO L225 Difference]: With dead ends: 31808 [2022-03-03 17:19:14,345 INFO L226 Difference]: Without dead ends: 31799 [2022-03-03 17:19:14,346 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-03-03 17:19:14,349 INFO L933 BasicCegarLoop]: 274 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 274 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-03 17:19:14,351 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 274 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-03 17:19:14,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31799 states. [2022-03-03 17:19:15,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31799 to 31799. [2022-03-03 17:19:15,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31799 states, 31798 states have (on average 4.529435813573181) internal successors, (144027), 31798 states have internal predecessors, (144027), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:19:16,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31799 states to 31799 states and 144027 transitions. [2022-03-03 17:19:16,123 INFO L78 Accepts]: Start accepts. Automaton has 31799 states and 144027 transitions. Word has length 233 [2022-03-03 17:19:16,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:19:16,124 INFO L470 AbstractCegarLoop]: Abstraction has 31799 states and 144027 transitions. [2022-03-03 17:19:16,124 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 116.5) internal successors, (233), 2 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:19:16,124 INFO L276 IsEmpty]: Start isEmpty. Operand 31799 states and 144027 transitions. [2022-03-03 17:19:16,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2022-03-03 17:19:16,298 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:19:16,298 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 17:19:16,299 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-03 17:19:16,299 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-03 17:19:16,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:19:16,300 INFO L85 PathProgramCache]: Analyzing trace with hash -1544914677, now seen corresponding path program 1 times [2022-03-03 17:19:16,300 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:19:16,300 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713537006] [2022-03-03 17:19:16,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:19:16,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:19:16,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:19:16,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 17:19:16,648 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:19:16,648 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713537006] [2022-03-03 17:19:16,648 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713537006] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:19:16,648 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:19:16,648 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-03-03 17:19:16,649 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510826342] [2022-03-03 17:19:16,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:19:16,651 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-03-03 17:19:16,652 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:19:16,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-03-03 17:19:16,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-03-03 17:19:16,655 INFO L87 Difference]: Start difference. First operand 31799 states and 144027 transitions. Second operand has 5 states, 5 states have (on average 47.4) internal successors, (237), 5 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:19:17,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:19:17,515 INFO L93 Difference]: Finished difference Result 46543 states and 210623 transitions. [2022-03-03 17:19:17,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-03-03 17:19:17,515 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 47.4) internal successors, (237), 5 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 237 [2022-03-03 17:19:17,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:19:17,762 INFO L225 Difference]: With dead ends: 46543 [2022-03-03 17:19:17,762 INFO L226 Difference]: Without dead ends: 45261 [2022-03-03 17:19:17,762 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-03-03 17:19:17,763 INFO L933 BasicCegarLoop]: 263 mSDtfsCounter, 41 mSDsluCounter, 618 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 836 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-03 17:19:17,763 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [41 Valid, 836 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-03 17:19:17,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45261 states. [2022-03-03 17:19:19,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45261 to 34418. [2022-03-03 17:19:19,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34418 states, 34417 states have (on average 4.514251677949851) internal successors, (155367), 34417 states have internal predecessors, (155367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:19:19,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34418 states to 34418 states and 155367 transitions. [2022-03-03 17:19:19,446 INFO L78 Accepts]: Start accepts. Automaton has 34418 states and 155367 transitions. Word has length 237 [2022-03-03 17:19:19,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:19:19,447 INFO L470 AbstractCegarLoop]: Abstraction has 34418 states and 155367 transitions. [2022-03-03 17:19:19,447 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 47.4) internal successors, (237), 5 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:19:19,448 INFO L276 IsEmpty]: Start isEmpty. Operand 34418 states and 155367 transitions. [2022-03-03 17:19:19,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2022-03-03 17:19:19,551 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:19:19,551 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 17:19:19,552 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-03 17:19:19,552 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-03 17:19:19,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:19:19,552 INFO L85 PathProgramCache]: Analyzing trace with hash 1719810959, now seen corresponding path program 1 times [2022-03-03 17:19:19,552 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:19:19,552 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682818986] [2022-03-03 17:19:19,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:19:19,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:19:19,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:19:19,665 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 17:19:19,665 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:19:19,665 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682818986] [2022-03-03 17:19:19,665 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682818986] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:19:19,665 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:19:19,665 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-03 17:19:19,665 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082167475] [2022-03-03 17:19:19,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:19:19,666 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-03 17:19:19,666 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:19:19,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-03 17:19:19,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-03-03 17:19:19,666 INFO L87 Difference]: Start difference. First operand 34418 states and 155367 transitions. Second operand has 6 states, 6 states have (on average 40.166666666666664) internal successors, (241), 6 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:19:20,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:19:20,599 INFO L93 Difference]: Finished difference Result 50426 states and 218614 transitions. [2022-03-03 17:19:20,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-03 17:19:20,599 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 40.166666666666664) internal successors, (241), 6 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 241 [2022-03-03 17:19:20,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:19:20,977 INFO L225 Difference]: With dead ends: 50426 [2022-03-03 17:19:20,977 INFO L226 Difference]: Without dead ends: 34424 [2022-03-03 17:19:20,979 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-03-03 17:19:20,983 INFO L933 BasicCegarLoop]: 257 mSDtfsCounter, 158 mSDsluCounter, 923 mSDsCounter, 0 mSdLazyCounter, 197 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 1124 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-03 17:19:20,984 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [158 Valid, 1124 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 197 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-03 17:19:21,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34424 states. [2022-03-03 17:19:22,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34424 to 34419. [2022-03-03 17:19:22,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34419 states, 34418 states have (on average 4.514149572897902) internal successors, (155368), 34418 states have internal predecessors, (155368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:19:22,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34419 states to 34419 states and 155368 transitions. [2022-03-03 17:19:22,427 INFO L78 Accepts]: Start accepts. Automaton has 34419 states and 155368 transitions. Word has length 241 [2022-03-03 17:19:22,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:19:22,427 INFO L470 AbstractCegarLoop]: Abstraction has 34419 states and 155368 transitions. [2022-03-03 17:19:22,427 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 40.166666666666664) internal successors, (241), 6 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:19:22,428 INFO L276 IsEmpty]: Start isEmpty. Operand 34419 states and 155368 transitions. [2022-03-03 17:19:22,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2022-03-03 17:19:22,538 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:19:22,538 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 17:19:22,538 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-03 17:19:22,538 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-03 17:19:22,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:19:22,539 INFO L85 PathProgramCache]: Analyzing trace with hash -11465242, now seen corresponding path program 1 times [2022-03-03 17:19:22,539 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:19:22,539 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1284410078] [2022-03-03 17:19:22,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:19:22,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:19:22,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:19:22,734 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-03 17:19:22,734 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:19:22,734 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1284410078] [2022-03-03 17:19:22,734 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1284410078] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:19:22,734 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:19:22,734 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-03 17:19:22,734 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301124772] [2022-03-03 17:19:22,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:19:22,735 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-03 17:19:22,735 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:19:22,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-03 17:19:22,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-03-03 17:19:22,736 INFO L87 Difference]: Start difference. First operand 34419 states and 155368 transitions. Second operand has 4 states, 4 states have (on average 62.0) internal successors, (248), 4 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:19:23,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:19:23,856 INFO L93 Difference]: Finished difference Result 65982 states and 295834 transitions. [2022-03-03 17:19:23,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-03 17:19:23,856 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 62.0) internal successors, (248), 4 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 248 [2022-03-03 17:19:23,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:19:24,214 INFO L225 Difference]: With dead ends: 65982 [2022-03-03 17:19:24,214 INFO L226 Difference]: Without dead ends: 61550 [2022-03-03 17:19:24,214 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-03-03 17:19:24,215 INFO L933 BasicCegarLoop]: 265 mSDtfsCounter, 314 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 314 SdHoareTripleChecker+Valid, 398 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-03 17:19:24,216 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [314 Valid, 398 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-03 17:19:24,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61550 states. [2022-03-03 17:19:25,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61550 to 48377. [2022-03-03 17:19:26,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48377 states, 48376 states have (on average 4.4872250702827845) internal successors, (217074), 48376 states have internal predecessors, (217074), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:19:26,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48377 states to 48377 states and 217074 transitions. [2022-03-03 17:19:26,537 INFO L78 Accepts]: Start accepts. Automaton has 48377 states and 217074 transitions. Word has length 248 [2022-03-03 17:19:26,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:19:26,537 INFO L470 AbstractCegarLoop]: Abstraction has 48377 states and 217074 transitions. [2022-03-03 17:19:26,537 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 62.0) internal successors, (248), 4 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:19:26,537 INFO L276 IsEmpty]: Start isEmpty. Operand 48377 states and 217074 transitions. [2022-03-03 17:19:26,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2022-03-03 17:19:26,676 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:19:26,676 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 17:19:26,677 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-03 17:19:26,677 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-03 17:19:26,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:19:26,677 INFO L85 PathProgramCache]: Analyzing trace with hash 1355076614, now seen corresponding path program 1 times [2022-03-03 17:19:26,677 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:19:26,677 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7399753] [2022-03-03 17:19:26,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:19:26,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:19:26,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:19:26,786 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-03 17:19:26,786 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:19:26,786 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7399753] [2022-03-03 17:19:26,786 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [7399753] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:19:26,786 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:19:26,786 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-03 17:19:26,786 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784440679] [2022-03-03 17:19:26,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:19:26,787 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-03 17:19:26,787 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:19:26,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-03 17:19:26,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-03-03 17:19:26,787 INFO L87 Difference]: Start difference. First operand 48377 states and 217074 transitions. Second operand has 4 states, 4 states have (on average 62.0) internal successors, (248), 4 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:19:27,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:19:27,543 INFO L93 Difference]: Finished difference Result 55088 states and 244662 transitions. [2022-03-03 17:19:27,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-03 17:19:27,543 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 62.0) internal successors, (248), 4 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 248 [2022-03-03 17:19:27,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:19:27,795 INFO L225 Difference]: With dead ends: 55088 [2022-03-03 17:19:27,795 INFO L226 Difference]: Without dead ends: 52660 [2022-03-03 17:19:27,795 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-03-03 17:19:27,796 INFO L933 BasicCegarLoop]: 265 mSDtfsCounter, 315 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 315 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-03 17:19:27,796 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [315 Valid, 439 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-03 17:19:28,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52660 states. [2022-03-03 17:19:29,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52660 to 48063. [2022-03-03 17:19:29,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48063 states, 48062 states have (on average 4.473659023760975) internal successors, (215013), 48062 states have internal predecessors, (215013), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:19:29,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48063 states to 48063 states and 215013 transitions. [2022-03-03 17:19:29,896 INFO L78 Accepts]: Start accepts. Automaton has 48063 states and 215013 transitions. Word has length 248 [2022-03-03 17:19:29,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:19:29,897 INFO L470 AbstractCegarLoop]: Abstraction has 48063 states and 215013 transitions. [2022-03-03 17:19:29,897 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 62.0) internal successors, (248), 4 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:19:29,897 INFO L276 IsEmpty]: Start isEmpty. Operand 48063 states and 215013 transitions. [2022-03-03 17:19:30,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2022-03-03 17:19:30,030 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:19:30,030 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 17:19:30,030 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-03 17:19:30,030 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-03 17:19:30,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:19:30,031 INFO L85 PathProgramCache]: Analyzing trace with hash -700071462, now seen corresponding path program 1 times [2022-03-03 17:19:30,031 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:19:30,031 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790150083] [2022-03-03 17:19:30,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:19:30,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:19:30,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:19:30,176 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-03 17:19:30,176 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:19:30,176 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790150083] [2022-03-03 17:19:30,176 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790150083] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:19:30,176 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:19:30,176 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-03 17:19:30,176 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403127759] [2022-03-03 17:19:30,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:19:30,177 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-03 17:19:30,177 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:19:30,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-03 17:19:30,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-03-03 17:19:30,178 INFO L87 Difference]: Start difference. First operand 48063 states and 215013 transitions. Second operand has 4 states, 4 states have (on average 62.0) internal successors, (248), 4 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:19:30,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:19:30,807 INFO L93 Difference]: Finished difference Result 47982 states and 212590 transitions. [2022-03-03 17:19:30,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-03 17:19:30,808 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 62.0) internal successors, (248), 4 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 248 [2022-03-03 17:19:30,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:19:31,020 INFO L225 Difference]: With dead ends: 47982 [2022-03-03 17:19:31,020 INFO L226 Difference]: Without dead ends: 46008 [2022-03-03 17:19:31,021 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-03-03 17:19:31,021 INFO L933 BasicCegarLoop]: 265 mSDtfsCounter, 287 mSDsluCounter, 232 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 287 SdHoareTripleChecker+Valid, 480 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-03-03 17:19:31,021 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [287 Valid, 480 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-03-03 17:19:31,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46008 states. [2022-03-03 17:19:32,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46008 to 44728. [2022-03-03 17:19:32,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44728 states, 44727 states have (on average 4.4725557269658145) internal successors, (200044), 44727 states have internal predecessors, (200044), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:19:32,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44728 states to 44728 states and 200044 transitions. [2022-03-03 17:19:32,890 INFO L78 Accepts]: Start accepts. Automaton has 44728 states and 200044 transitions. Word has length 248 [2022-03-03 17:19:32,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:19:32,892 INFO L470 AbstractCegarLoop]: Abstraction has 44728 states and 200044 transitions. [2022-03-03 17:19:32,892 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 62.0) internal successors, (248), 4 states have internal predecessors, (248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:19:32,892 INFO L276 IsEmpty]: Start isEmpty. Operand 44728 states and 200044 transitions. [2022-03-03 17:19:33,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2022-03-03 17:19:33,075 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:19:33,075 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 17:19:33,076 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-03-03 17:19:33,076 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-03 17:19:33,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:19:33,076 INFO L85 PathProgramCache]: Analyzing trace with hash 1116425386, now seen corresponding path program 1 times [2022-03-03 17:19:33,076 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:19:33,076 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167218921] [2022-03-03 17:19:33,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:19:33,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:19:33,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:19:33,178 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-03-03 17:19:33,178 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:19:33,178 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167218921] [2022-03-03 17:19:33,178 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [167218921] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:19:33,178 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:19:33,179 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-03 17:19:33,179 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485301275] [2022-03-03 17:19:33,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:19:33,179 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-03 17:19:33,179 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:19:33,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-03 17:19:33,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-03-03 17:19:33,180 INFO L87 Difference]: Start difference. First operand 44728 states and 200044 transitions. Second operand has 6 states, 6 states have (on average 42.0) internal successors, (252), 6 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:19:34,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:19:34,305 INFO L93 Difference]: Finished difference Result 62109 states and 272750 transitions. [2022-03-03 17:19:34,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-03 17:19:34,305 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 42.0) internal successors, (252), 6 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 252 [2022-03-03 17:19:34,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:19:34,533 INFO L225 Difference]: With dead ends: 62109 [2022-03-03 17:19:34,533 INFO L226 Difference]: Without dead ends: 44734 [2022-03-03 17:19:34,533 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-03-03 17:19:34,534 INFO L933 BasicCegarLoop]: 257 mSDtfsCounter, 243 mSDsluCounter, 685 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 888 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-03 17:19:34,534 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [243 Valid, 888 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-03 17:19:34,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44734 states. [2022-03-03 17:19:35,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44734 to 44729. [2022-03-03 17:19:35,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44729 states, 44728 states have (on average 4.472478089787158) internal successors, (200045), 44728 states have internal predecessors, (200045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:19:36,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44729 states to 44729 states and 200045 transitions. [2022-03-03 17:19:36,168 INFO L78 Accepts]: Start accepts. Automaton has 44729 states and 200045 transitions. Word has length 252 [2022-03-03 17:19:36,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:19:36,169 INFO L470 AbstractCegarLoop]: Abstraction has 44729 states and 200045 transitions. [2022-03-03 17:19:36,169 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 42.0) internal successors, (252), 6 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:19:36,169 INFO L276 IsEmpty]: Start isEmpty. Operand 44729 states and 200045 transitions. [2022-03-03 17:19:36,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2022-03-03 17:19:36,291 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:19:36,292 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 17:19:36,292 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-03-03 17:19:36,292 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-03 17:19:36,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:19:36,293 INFO L85 PathProgramCache]: Analyzing trace with hash -1036904233, now seen corresponding path program 1 times [2022-03-03 17:19:36,293 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:19:36,293 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618755919] [2022-03-03 17:19:36,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:19:36,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:19:36,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:19:36,363 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-03-03 17:19:36,363 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:19:36,363 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618755919] [2022-03-03 17:19:36,363 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618755919] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:19:36,363 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:19:36,363 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-03 17:19:36,363 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002189009] [2022-03-03 17:19:36,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:19:36,364 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-03 17:19:36,364 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:19:36,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-03 17:19:36,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-03-03 17:19:36,364 INFO L87 Difference]: Start difference. First operand 44729 states and 200045 transitions. Second operand has 6 states, 6 states have (on average 43.166666666666664) internal successors, (259), 6 states have internal predecessors, (259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:19:37,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:19:37,081 INFO L93 Difference]: Finished difference Result 52430 states and 230310 transitions. [2022-03-03 17:19:37,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-03-03 17:19:37,081 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 43.166666666666664) internal successors, (259), 6 states have internal predecessors, (259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 259 [2022-03-03 17:19:37,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:19:37,506 INFO L225 Difference]: With dead ends: 52430 [2022-03-03 17:19:37,506 INFO L226 Difference]: Without dead ends: 44735 [2022-03-03 17:19:37,507 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-03-03 17:19:37,507 INFO L933 BasicCegarLoop]: 257 mSDtfsCounter, 276 mSDsluCounter, 650 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 276 SdHoareTripleChecker+Valid, 853 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 17:19:37,507 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [276 Valid, 853 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 17:19:37,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44735 states. [2022-03-03 17:19:38,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44735 to 44730. [2022-03-03 17:19:38,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44730 states, 44729 states have (on average 4.472400456079948) internal successors, (200046), 44729 states have internal predecessors, (200046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:19:39,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44730 states to 44730 states and 200046 transitions. [2022-03-03 17:19:39,152 INFO L78 Accepts]: Start accepts. Automaton has 44730 states and 200046 transitions. Word has length 259 [2022-03-03 17:19:39,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:19:39,153 INFO L470 AbstractCegarLoop]: Abstraction has 44730 states and 200046 transitions. [2022-03-03 17:19:39,153 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 43.166666666666664) internal successors, (259), 6 states have internal predecessors, (259), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:19:39,153 INFO L276 IsEmpty]: Start isEmpty. Operand 44730 states and 200046 transitions. [2022-03-03 17:19:39,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2022-03-03 17:19:39,290 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:19:39,290 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 17:19:39,290 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-03-03 17:19:39,291 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-03 17:19:39,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:19:39,291 INFO L85 PathProgramCache]: Analyzing trace with hash -1071293024, now seen corresponding path program 1 times [2022-03-03 17:19:39,291 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:19:39,291 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912192602] [2022-03-03 17:19:39,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:19:39,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:19:39,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:19:39,367 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-03 17:19:39,367 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:19:39,367 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912192602] [2022-03-03 17:19:39,367 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912192602] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:19:39,367 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:19:39,367 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-03-03 17:19:39,367 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828802769] [2022-03-03 17:19:39,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:19:39,368 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-03-03 17:19:39,368 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:19:39,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-03-03 17:19:39,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-03-03 17:19:39,368 INFO L87 Difference]: Start difference. First operand 44730 states and 200046 transitions. Second operand has 6 states, 6 states have (on average 44.333333333333336) internal successors, (266), 6 states have internal predecessors, (266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:19:40,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:19:40,203 INFO L93 Difference]: Finished difference Result 54573 states and 239482 transitions. [2022-03-03 17:19:40,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-03-03 17:19:40,203 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 44.333333333333336) internal successors, (266), 6 states have internal predecessors, (266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 266 [2022-03-03 17:19:40,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:19:40,422 INFO L225 Difference]: With dead ends: 54573 [2022-03-03 17:19:40,422 INFO L226 Difference]: Without dead ends: 44736 [2022-03-03 17:19:40,422 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-03-03 17:19:40,422 INFO L933 BasicCegarLoop]: 257 mSDtfsCounter, 596 mSDsluCounter, 537 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 596 SdHoareTripleChecker+Valid, 758 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-03 17:19:40,423 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [596 Valid, 758 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-03 17:19:40,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44736 states. [2022-03-03 17:19:41,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44736 to 44731. [2022-03-03 17:19:41,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44731 states, 44730 states have (on average 4.4723228258439525) internal successors, (200047), 44730 states have internal predecessors, (200047), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:19:42,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44731 states to 44731 states and 200047 transitions. [2022-03-03 17:19:42,013 INFO L78 Accepts]: Start accepts. Automaton has 44731 states and 200047 transitions. Word has length 266 [2022-03-03 17:19:42,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:19:42,013 INFO L470 AbstractCegarLoop]: Abstraction has 44731 states and 200047 transitions. [2022-03-03 17:19:42,013 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 44.333333333333336) internal successors, (266), 6 states have internal predecessors, (266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:19:42,013 INFO L276 IsEmpty]: Start isEmpty. Operand 44731 states and 200047 transitions. [2022-03-03 17:19:42,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2022-03-03 17:19:42,135 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:19:42,135 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 17:19:42,135 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-03-03 17:19:42,136 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-03 17:19:42,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:19:42,136 INFO L85 PathProgramCache]: Analyzing trace with hash -816124793, now seen corresponding path program 1 times [2022-03-03 17:19:42,136 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:19:42,136 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438746716] [2022-03-03 17:19:42,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:19:42,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:19:42,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:19:42,266 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-03-03 17:19:42,266 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:19:42,266 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438746716] [2022-03-03 17:19:42,266 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438746716] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:19:42,266 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:19:42,267 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-03 17:19:42,267 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630894645] [2022-03-03 17:19:42,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:19:42,267 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-03 17:19:42,267 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:19:42,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-03 17:19:42,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-03 17:19:42,267 INFO L87 Difference]: Start difference. First operand 44731 states and 200047 transitions. Second operand has 3 states, 3 states have (on average 91.0) internal successors, (273), 3 states have internal predecessors, (273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:19:42,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:19:42,895 INFO L93 Difference]: Finished difference Result 33465 states and 150464 transitions. [2022-03-03 17:19:42,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-03 17:19:42,896 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 91.0) internal successors, (273), 3 states have internal predecessors, (273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 273 [2022-03-03 17:19:42,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:19:43,033 INFO L225 Difference]: With dead ends: 33465 [2022-03-03 17:19:43,033 INFO L226 Difference]: Without dead ends: 31113 [2022-03-03 17:19:43,034 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-03 17:19:43,034 INFO L933 BasicCegarLoop]: 265 mSDtfsCounter, 39 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 345 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-03-03 17:19:43,034 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [39 Valid, 345 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-03-03 17:19:43,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31113 states. [2022-03-03 17:19:43,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31113 to 31113. [2022-03-03 17:19:43,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31113 states, 31112 states have (on average 4.523913602468501) internal successors, (140748), 31112 states have internal predecessors, (140748), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:19:44,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31113 states to 31113 states and 140748 transitions. [2022-03-03 17:19:44,268 INFO L78 Accepts]: Start accepts. Automaton has 31113 states and 140748 transitions. Word has length 273 [2022-03-03 17:19:44,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:19:44,269 INFO L470 AbstractCegarLoop]: Abstraction has 31113 states and 140748 transitions. [2022-03-03 17:19:44,269 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.0) internal successors, (273), 3 states have internal predecessors, (273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:19:44,269 INFO L276 IsEmpty]: Start isEmpty. Operand 31113 states and 140748 transitions. [2022-03-03 17:19:44,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2022-03-03 17:19:44,359 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:19:44,359 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 17:19:44,359 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-03-03 17:19:44,359 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-03 17:19:44,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:19:44,360 INFO L85 PathProgramCache]: Analyzing trace with hash 593720945, now seen corresponding path program 1 times [2022-03-03 17:19:44,360 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:19:44,360 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280463036] [2022-03-03 17:19:44,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:19:44,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:19:44,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:19:44,504 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-03-03 17:19:44,504 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:19:44,504 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280463036] [2022-03-03 17:19:44,504 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280463036] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-03 17:19:44,504 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-03 17:19:44,504 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-03-03 17:19:44,504 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798721221] [2022-03-03 17:19:44,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-03 17:19:44,505 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-03-03 17:19:44,505 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:19:44,505 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-03-03 17:19:44,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-03-03 17:19:44,505 INFO L87 Difference]: Start difference. First operand 31113 states and 140748 transitions. Second operand has 4 states, 4 states have (on average 69.25) internal successors, (277), 4 states have internal predecessors, (277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:19:45,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:19:45,573 INFO L93 Difference]: Finished difference Result 85771 states and 388494 transitions. [2022-03-03 17:19:45,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-03-03 17:19:45,573 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 69.25) internal successors, (277), 4 states have internal predecessors, (277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 277 [2022-03-03 17:19:45,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:19:46,339 INFO L225 Difference]: With dead ends: 85771 [2022-03-03 17:19:46,340 INFO L226 Difference]: Without dead ends: 81515 [2022-03-03 17:19:46,340 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-03-03 17:19:46,340 INFO L933 BasicCegarLoop]: 265 mSDtfsCounter, 287 mSDsluCounter, 211 mSDsCounter, 0 mSdLazyCounter, 66 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 287 SdHoareTripleChecker+Valid, 449 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 66 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-03-03 17:19:46,340 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [287 Valid, 449 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-03-03 17:19:46,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81515 states. [2022-03-03 17:19:48,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81515 to 61097. [2022-03-03 17:19:48,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61097 states, 61096 states have (on average 4.58969490637685) internal successors, (280412), 61096 states have internal predecessors, (280412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:19:48,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61097 states to 61097 states and 280412 transitions. [2022-03-03 17:19:48,922 INFO L78 Accepts]: Start accepts. Automaton has 61097 states and 280412 transitions. Word has length 277 [2022-03-03 17:19:48,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:19:48,923 INFO L470 AbstractCegarLoop]: Abstraction has 61097 states and 280412 transitions. [2022-03-03 17:19:48,923 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 69.25) internal successors, (277), 4 states have internal predecessors, (277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:19:48,923 INFO L276 IsEmpty]: Start isEmpty. Operand 61097 states and 280412 transitions. [2022-03-03 17:19:49,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2022-03-03 17:19:49,119 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:19:49,119 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 17:19:49,119 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-03-03 17:19:49,119 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-03 17:19:49,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:19:49,119 INFO L85 PathProgramCache]: Analyzing trace with hash 962888089, now seen corresponding path program 1 times [2022-03-03 17:19:49,119 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:19:49,120 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137620387] [2022-03-03 17:19:49,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:19:49,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:19:49,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:19:49,223 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-03 17:19:49,223 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:19:49,223 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137620387] [2022-03-03 17:19:49,223 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137620387] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-03 17:19:49,223 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [330156952] [2022-03-03 17:19:49,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:19:49,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-03 17:19:49,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-03 17:19:49,244 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-03 17:19:49,274 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-03-03 17:19:49,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:19:49,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 731 conjuncts, 9 conjunts are in the unsatisfiable core [2022-03-03 17:19:49,431 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-03 17:19:50,070 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-03-03 17:19:50,070 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-03 17:19:50,639 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-03-03 17:19:50,639 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [330156952] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-03 17:19:50,639 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-03 17:19:50,639 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2022-03-03 17:19:50,639 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853644815] [2022-03-03 17:19:50,639 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-03 17:19:50,640 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-03-03 17:19:50,640 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:19:50,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-03-03 17:19:50,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2022-03-03 17:19:50,641 INFO L87 Difference]: Start difference. First operand 61097 states and 280412 transitions. Second operand has 19 states, 19 states have (on average 17.789473684210527) internal successors, (338), 19 states have internal predecessors, (338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:19:51,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:19:51,688 INFO L93 Difference]: Finished difference Result 64053 states and 290343 transitions. [2022-03-03 17:19:51,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-03-03 17:19:51,689 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 17.789473684210527) internal successors, (338), 19 states have internal predecessors, (338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 285 [2022-03-03 17:19:51,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:19:52,212 INFO L225 Difference]: With dead ends: 64053 [2022-03-03 17:19:52,212 INFO L226 Difference]: Without dead ends: 61109 [2022-03-03 17:19:52,212 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 587 GetRequests, 560 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 163 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=200, Invalid=612, Unknown=0, NotChecked=0, Total=812 [2022-03-03 17:19:52,213 INFO L933 BasicCegarLoop]: 267 mSDtfsCounter, 1185 mSDsluCounter, 2294 mSDsCounter, 0 mSdLazyCounter, 544 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1185 SdHoareTripleChecker+Valid, 2427 SdHoareTripleChecker+Invalid, 583 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-03-03 17:19:52,213 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1185 Valid, 2427 Invalid, 583 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 544 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-03-03 17:19:52,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61109 states. [2022-03-03 17:19:53,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61109 to 61104. [2022-03-03 17:19:53,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61104 states, 61103 states have (on average 4.589283668559645) internal successors, (280419), 61103 states have internal predecessors, (280419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:19:54,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61104 states to 61104 states and 280419 transitions. [2022-03-03 17:19:54,505 INFO L78 Accepts]: Start accepts. Automaton has 61104 states and 280419 transitions. Word has length 285 [2022-03-03 17:19:54,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:19:54,505 INFO L470 AbstractCegarLoop]: Abstraction has 61104 states and 280419 transitions. [2022-03-03 17:19:54,505 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 17.789473684210527) internal successors, (338), 19 states have internal predecessors, (338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:19:54,505 INFO L276 IsEmpty]: Start isEmpty. Operand 61104 states and 280419 transitions. [2022-03-03 17:19:54,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2022-03-03 17:19:54,709 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:19:54,710 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 17:19:54,729 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-03-03 17:19:54,910 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-03-03 17:19:54,910 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-03 17:19:54,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:19:54,911 INFO L85 PathProgramCache]: Analyzing trace with hash -1050514064, now seen corresponding path program 2 times [2022-03-03 17:19:54,911 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:19:54,911 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300058255] [2022-03-03 17:19:54,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:19:54,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:19:54,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:19:55,105 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 11 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-03 17:19:55,106 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:19:55,106 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300058255] [2022-03-03 17:19:55,106 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [300058255] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-03 17:19:55,106 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1352101018] [2022-03-03 17:19:55,106 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-03-03 17:19:55,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-03 17:19:55,106 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-03 17:19:55,107 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-03 17:19:55,109 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-03-03 17:19:55,280 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-03-03 17:19:55,280 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-03 17:19:55,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 744 conjuncts, 12 conjunts are in the unsatisfiable core [2022-03-03 17:19:55,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-03 17:19:55,884 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 8 proven. 9 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-03 17:19:55,884 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-03 17:19:56,485 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 13 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-03-03 17:19:56,485 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1352101018] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-03 17:19:56,485 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-03 17:19:56,485 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 28 [2022-03-03 17:19:56,486 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012919251] [2022-03-03 17:19:56,486 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-03 17:19:56,486 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-03-03 17:19:56,486 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:19:56,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-03-03 17:19:56,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=611, Unknown=0, NotChecked=0, Total=756 [2022-03-03 17:19:56,487 INFO L87 Difference]: Start difference. First operand 61104 states and 280419 transitions. Second operand has 28 states, 28 states have (on average 13.035714285714286) internal successors, (365), 28 states have internal predecessors, (365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:19:57,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:19:57,820 INFO L93 Difference]: Finished difference Result 64604 states and 292102 transitions. [2022-03-03 17:19:57,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-03-03 17:19:57,820 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 13.035714285714286) internal successors, (365), 28 states have internal predecessors, (365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 292 [2022-03-03 17:19:57,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:19:58,318 INFO L225 Difference]: With dead ends: 64604 [2022-03-03 17:19:58,318 INFO L226 Difference]: Without dead ends: 61116 [2022-03-03 17:19:58,319 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 612 GetRequests, 568 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 572 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=426, Invalid=1644, Unknown=0, NotChecked=0, Total=2070 [2022-03-03 17:19:58,319 INFO L933 BasicCegarLoop]: 276 mSDtfsCounter, 1515 mSDsluCounter, 2738 mSDsCounter, 0 mSdLazyCounter, 741 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1515 SdHoareTripleChecker+Valid, 2849 SdHoareTripleChecker+Invalid, 838 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 741 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 17:19:58,319 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1515 Valid, 2849 Invalid, 838 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 741 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 17:19:58,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61116 states. [2022-03-03 17:19:59,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61116 to 61111. [2022-03-03 17:20:00,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61111 states, 61110 states have (on average 4.588872524954999) internal successors, (280426), 61110 states have internal predecessors, (280426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:20:00,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61111 states to 61111 states and 280426 transitions. [2022-03-03 17:20:00,636 INFO L78 Accepts]: Start accepts. Automaton has 61111 states and 280426 transitions. Word has length 292 [2022-03-03 17:20:00,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:20:00,636 INFO L470 AbstractCegarLoop]: Abstraction has 61111 states and 280426 transitions. [2022-03-03 17:20:00,636 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 13.035714285714286) internal successors, (365), 28 states have internal predecessors, (365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:20:00,636 INFO L276 IsEmpty]: Start isEmpty. Operand 61111 states and 280426 transitions. [2022-03-03 17:20:00,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2022-03-03 17:20:00,832 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:20:00,833 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 17:20:00,852 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-03-03 17:20:01,033 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-03-03 17:20:01,035 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-03 17:20:01,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:20:01,036 INFO L85 PathProgramCache]: Analyzing trace with hash -1525493319, now seen corresponding path program 3 times [2022-03-03 17:20:01,036 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:20:01,036 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627463461] [2022-03-03 17:20:01,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:20:01,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:20:01,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:20:01,257 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-03-03 17:20:01,257 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:20:01,257 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627463461] [2022-03-03 17:20:01,257 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627463461] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-03 17:20:01,257 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1802482214] [2022-03-03 17:20:01,258 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-03-03 17:20:01,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-03 17:20:01,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-03 17:20:01,259 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-03 17:20:01,305 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-03-03 17:20:01,472 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-03-03 17:20:01,472 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-03-03 17:20:01,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 652 conjuncts, 13 conjunts are in the unsatisfiable core [2022-03-03 17:20:01,479 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-03 17:20:01,923 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-03-03 17:20:01,924 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-03 17:20:02,485 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-03-03 17:20:02,485 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1802482214] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-03 17:20:02,485 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-03 17:20:02,485 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 9] total 18 [2022-03-03 17:20:02,485 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588601682] [2022-03-03 17:20:02,485 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-03 17:20:02,486 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-03-03 17:20:02,486 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:20:02,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-03-03 17:20:02,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=244, Unknown=0, NotChecked=0, Total=306 [2022-03-03 17:20:02,487 INFO L87 Difference]: Start difference. First operand 61111 states and 280426 transitions. Second operand has 18 states, 18 states have (on average 26.72222222222222) internal successors, (481), 18 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:20:05,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:20:05,188 INFO L93 Difference]: Finished difference Result 194498 states and 871421 transitions. [2022-03-03 17:20:05,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-03-03 17:20:05,189 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 26.72222222222222) internal successors, (481), 18 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 299 [2022-03-03 17:20:05,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:20:06,535 INFO L225 Difference]: With dead ends: 194498 [2022-03-03 17:20:06,536 INFO L226 Difference]: Without dead ends: 164273 [2022-03-03 17:20:06,536 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 621 GetRequests, 585 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 288 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=330, Invalid=1076, Unknown=0, NotChecked=0, Total=1406 [2022-03-03 17:20:06,537 INFO L933 BasicCegarLoop]: 288 mSDtfsCounter, 2413 mSDsluCounter, 2303 mSDsCounter, 0 mSdLazyCounter, 578 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2413 SdHoareTripleChecker+Valid, 2333 SdHoareTripleChecker+Invalid, 630 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 578 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 17:20:06,537 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2413 Valid, 2333 Invalid, 630 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 578 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 17:20:06,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164273 states. [2022-03-03 17:20:11,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164273 to 112106. [2022-03-03 17:20:11,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112106 states, 112105 states have (on average 4.703376299005397) internal successors, (527272), 112105 states have internal predecessors, (527272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:20:12,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112106 states to 112106 states and 527272 transitions. [2022-03-03 17:20:12,080 INFO L78 Accepts]: Start accepts. Automaton has 112106 states and 527272 transitions. Word has length 299 [2022-03-03 17:20:12,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:20:12,080 INFO L470 AbstractCegarLoop]: Abstraction has 112106 states and 527272 transitions. [2022-03-03 17:20:12,080 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 26.72222222222222) internal successors, (481), 18 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:20:12,081 INFO L276 IsEmpty]: Start isEmpty. Operand 112106 states and 527272 transitions. [2022-03-03 17:20:12,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2022-03-03 17:20:12,463 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:20:12,464 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 17:20:12,481 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-03-03 17:20:12,664 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-03 17:20:12,666 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-03 17:20:12,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:20:12,667 INFO L85 PathProgramCache]: Analyzing trace with hash 1770452744, now seen corresponding path program 1 times [2022-03-03 17:20:12,667 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:20:12,667 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [67315524] [2022-03-03 17:20:12,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:20:12,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:20:13,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:20:13,101 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-03-03 17:20:13,101 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:20:13,101 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [67315524] [2022-03-03 17:20:13,101 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [67315524] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-03 17:20:13,101 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [996438439] [2022-03-03 17:20:13,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:20:13,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-03 17:20:13,102 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-03 17:20:13,103 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-03 17:20:13,104 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-03-03 17:20:13,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:20:13,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 770 conjuncts, 14 conjunts are in the unsatisfiable core [2022-03-03 17:20:13,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-03 17:20:13,944 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-03-03 17:20:13,944 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-03 17:20:14,790 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2022-03-03 17:20:14,790 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [996438439] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-03 17:20:14,790 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-03 17:20:14,791 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 11, 11] total 22 [2022-03-03 17:20:14,791 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889034281] [2022-03-03 17:20:14,791 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-03 17:20:14,791 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-03-03 17:20:14,791 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:20:14,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-03-03 17:20:14,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=343, Unknown=0, NotChecked=0, Total=462 [2022-03-03 17:20:14,792 INFO L87 Difference]: Start difference. First operand 112106 states and 527272 transitions. Second operand has 22 states, 22 states have (on average 20.818181818181817) internal successors, (458), 22 states have internal predecessors, (458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:20:20,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-03-03 17:20:20,969 INFO L93 Difference]: Finished difference Result 418986 states and 1958561 transitions. [2022-03-03 17:20:20,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-03-03 17:20:20,969 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 20.818181818181817) internal successors, (458), 22 states have internal predecessors, (458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 306 [2022-03-03 17:20:20,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-03-03 17:20:26,013 INFO L225 Difference]: With dead ends: 418986 [2022-03-03 17:20:26,014 INFO L226 Difference]: Without dead ends: 378226 [2022-03-03 17:20:26,014 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 629 GetRequests, 595 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 339 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=341, Invalid=919, Unknown=0, NotChecked=0, Total=1260 [2022-03-03 17:20:26,014 INFO L933 BasicCegarLoop]: 276 mSDtfsCounter, 1362 mSDsluCounter, 2320 mSDsCounter, 0 mSdLazyCounter, 505 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1362 SdHoareTripleChecker+Valid, 2399 SdHoareTripleChecker+Invalid, 560 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 505 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-03-03 17:20:26,015 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1362 Valid, 2399 Invalid, 560 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 505 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-03-03 17:20:27,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378226 states. [2022-03-03 17:20:37,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378226 to 225218. [2022-03-03 17:20:37,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225218 states, 225217 states have (on average 4.786028585763952) internal successors, (1077895), 225217 states have internal predecessors, (1077895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:20:40,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225218 states to 225218 states and 1077895 transitions. [2022-03-03 17:20:40,063 INFO L78 Accepts]: Start accepts. Automaton has 225218 states and 1077895 transitions. Word has length 306 [2022-03-03 17:20:40,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-03-03 17:20:40,063 INFO L470 AbstractCegarLoop]: Abstraction has 225218 states and 1077895 transitions. [2022-03-03 17:20:40,063 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 20.818181818181817) internal successors, (458), 22 states have internal predecessors, (458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-03 17:20:40,063 INFO L276 IsEmpty]: Start isEmpty. Operand 225218 states and 1077895 transitions. [2022-03-03 17:20:40,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2022-03-03 17:20:40,597 INFO L506 BasicCegarLoop]: Found error trace [2022-03-03 17:20:40,597 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-03-03 17:20:40,614 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-03-03 17:20:40,797 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-03-03 17:20:40,798 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 1 more)] === [2022-03-03 17:20:40,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-03 17:20:40,798 INFO L85 PathProgramCache]: Analyzing trace with hash -427121386, now seen corresponding path program 1 times [2022-03-03 17:20:40,798 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-03 17:20:40,798 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695267096] [2022-03-03 17:20:40,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:20:40,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-03 17:20:41,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:20:50,824 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 17:20:50,824 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-03 17:20:50,824 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695267096] [2022-03-03 17:20:50,826 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695267096] provided 0 perfect and 1 imperfect interpolant sequences [2022-03-03 17:20:50,826 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [865512563] [2022-03-03 17:20:50,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-03 17:20:50,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-03-03 17:20:50,826 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-03 17:20:50,831 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-03-03 17:20:50,832 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-03-03 17:20:51,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-03 17:20:51,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 770 conjuncts, 166 conjunts are in the unsatisfiable core [2022-03-03 17:20:51,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-03-03 17:21:02,796 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 17:21:02,796 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-03-03 17:21:08,277 INFO L353 Elim1Store]: treesize reduction 237, result has 80.6 percent of original size [2022-03-03 17:21:08,278 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 204 treesize of output 1027 [2022-03-03 17:21:31,959 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-03 17:21:31,959 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [865512563] provided 0 perfect and 2 imperfect interpolant sequences [2022-03-03 17:21:31,959 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-03-03 17:21:31,959 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [72, 69, 53] total 184 [2022-03-03 17:21:31,959 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150547037] [2022-03-03 17:21:31,959 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-03-03 17:21:31,960 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 184 states [2022-03-03 17:21:31,960 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-03 17:21:31,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 184 interpolants. [2022-03-03 17:21:31,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3859, Invalid=29813, Unknown=0, NotChecked=0, Total=33672 [2022-03-03 17:21:31,968 INFO L87 Difference]: Start difference. First operand 225218 states and 1077895 transitions. Second operand has 184 states, 184 states have (on average 4.505434782608695) internal successors, (829), 184 states have internal predecessors, (829), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)